Forces and Motion Review

Noah is pushing a wheelbarrow uphill. How can he make the wheelbarrow go faster?

• He can take the wheels off the wheelbarrow

• He can add weight to the load of the wheelbarrow

• He can increase the force of his push.

• He can decrease the force of his push

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It is time for the annual pumpkin throwing contest. Which size pumpkin would go the farthest if each pumpkin were thrown with the same force?

• 18 pounds

• 10 pounds

• 12 pounds

• 6 pounds

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Melissa and Gabe were testing the flight of leaves as they tossed them in the air.  The leaves would go up and then came to a rest on the ground.  What force made the leaves land on the ground?

• gravity

• friction

• air pressure

• mass

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4 cars are at the starting line of a race. Which car will require the most force to start moving?

• car with mass of 1200 kilograms

• car with mass of 1500 kilograms

• car with mass of 1700 kilograms

• car with mass of 2000 kilograms

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What is a PUSH or PULL of an object?

• Motion

• Force

• Friction

• Gravity

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Why is it harder for the boy in Image B to get down the hill?

• Motion

• Friction

• Work

• Displacement

What pulls a ball back to earth?

• Gas

• Gravity

• Friction

• Molecules

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_______ is a force that acts between two objects which are touching. This force slows any movement between the two objects.

• pressure

• magnetism

• friction

A book falls off the desk. What moves the book towards the floor?

• mass

• friction

• gravity

• speed

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A boy rides a skate board down a hill. Eventually the skate board stops. Which is most responsible for causing the skateboard to stop?

• gravity acting on the skateboard

• friction acting on the skateboard

• the mass of the skateboard

• the mass of the boy

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